Afternoon Tea was popularized by Anna, the 7th Duchess of Bedford in the early 19th century. She started the tradition of having a light meal and tea in the afternoon to curb her hunger between lunch and dinner. So, while she didn't technically "invent" Afternoon Tea, she definitely made it a thing.
Thomas Edison is credited with inventing the lightbulb.
Which group was credited with inventing the recitative
Manute Bol is credited with inventing/popularizing the phrase "my bad"
An afternoon tea is a formal meal comprising light snacks.
Phoenician
Chinese
Alexander Flemming
Phoenician
The steamboat
Aristotle
because it all ways cold in the afternoon
They are traditionally eaten with afternoon tea in places where they have afternoon tea. I like them for breakfast.